Tungsten Alloy Rod: Materials: WNiFe, WNiCu As per AMS-T-21014 Density : 17.0 - 18.5 g/cm3 Hardness: 20 - 35 HRC Size : dia.3 - 350 mmx 20 - 550 mm long We can also supply tungsten alloy tube, tungsten alloy screw rod. We machine the rod by CNC according to the user's drawing